Air coupling for pipe and hose lines



`uly 7, 1925. l

H. B. ROBINSON AIR GOUPLING FOR PIPE AND HVOSE LINES Filed Dec. l0, 1925 QH www Patented July 7, 1925.

HARRY is. nomitson, ori-MUSKEGON, MGHIGAN.

\ -Aiitconrnrndmon :PIrEANnprossimits@ f i f Mpman@ mea Dember 10,1923. p semaine. erases` To @ZZ whom t 'may 'concer/a.; i s g -Be it known thatlLI-Linnr l3ntv RonrNsoN,

aK Citizen of the United 1Statesresiding at" the line -IVa-IV ofl Figi,l showingthe Muskegon, in the county oAMuskegonand State of Miohigan lieve invented wrt-ain new and useful Improvements in -Air Coun plings for Pipejand HjoseLines of which a the following isj'ga speeiication,-reierenee4 being had therein to the accompanying" drawings. V

This invention relatesto airhose andlpi'pe lineeouplings-,and has reference to Ajfeertain improvements 10236336@ d-tod, T, 1917; and No?. 137850201,- dated Sept;V 3, i918,V `said patents. disclosing (couplings including separable members that may he expeditiously connected togethenV to insure l"couplings includes a -ball a tight and'non-leakable fjoint."` One of the I have found that such a made absolutely air tight andareqinres a greaterperiod oltimeutoolose My first improvementis the elimination of` a ball eheolivalve and thesubstitutiontheif. orfofa flat disk valvewhieh nsuresfan,

gasket 15 vis Iolnnpedagainst{thedislr flt absolute airtight eonneotion withlpartsgithat willwithstand a. maximum wear and jrnot through `the cap7 washeror Vgaslnet 1s iirnly require special toolsfwhen such. parte are to loe-renewed; In using a disk valveaquiolrer.

and lmore positivev action is obtaindwith an equalpressure on allparts of the /"alvelV fori maintaining thesame olosed wlren `fthe coupling members fare separated@ 5 einA i-inother` improvementv isa coupling ring or a clampingmembermby together. The ring or clamping member is y `constructed.so rthat it has,aioiecoentrio-wedge;y

` 'pling into Iintimate salingrrelation with .i the other. part of the coupling,

ing action :for drawingone part ofthe cou'-V :and there )is no danger ofthe Coupling parts becoming accidentally displaced.. Y

There are otheri proveme sign ,and general Construction.oithe cone then Claimed. 1

pling and all" otfsaidl be hereinafter specifically described' and- Reference Will'now be had tothe drawing@ wherein which separable partsfor members of theoouplingi are held l `a hoseorpipe connection185;whiohfiiorghose its" in de# improvements .n will. -A

be placed in pling longitudinal sectional view of "25 is circumferential of the opening 24 the oheokvalve in Vclosed position Figixi isla orossseetional view taken on improved Clamping ring or member,` and 1 Fig-5 is a side elevation of the complete' coupling.

generallydesignated A and Bland part LA;

L includes a pipe, or hose eonneotionvl having av-nut portion 2 and angularly disposed lugs 3 connected by a pin 4, saidlugs'Landpin:- 4constituting a soket member adapted; to ree Veeive an element ot the 'coupling :member B.

rEhe inner end Yoi theeouplng member-A,

A o 1,544,77r @PAENT :QFHCEi terminatesV in' aisomewhatv -1semispherical,`

body lofhaving acompar-ativelyV flatlequaigy torial wall vprovided withaeentral valve` seatvlfand an outstanding collar 8; The bodyf opposite the wall 6, has a large open .ingj9 with the walls thereoi:|` sorewithreadedvV L to receive aplugl() having a nut portion andv axiallywof the plug 10,- saguide bore inelndesvaf disk W145i .ay ,washer for', gasket 155;

a @P716 and a SCTSWwlT. The washerf-or by theeap 16 Y andthe screw 17 4extends i clamped in 1position- :The d'am'eterf the.- washer or gasket isgsueh that it mayrea lfiglyg,`: l

The 'coupling' member or part `B inoludes attachment haslag'periphieral abutment 19 and a spirally' disposed rib2Q, `on whieha hose o1" {fleiiblemember `may be'` clamped.. 5

It is ,obvious that thefconnectionioteaoh `couplingmember may be of sue'h configura-QMA tion as to aooommodate anyr hosefpip'e `or other conduit,tombe;att'aehedthereto.

The inner end of the hose oonneotioniShas wall .22 and projecting laterally` from Said `a semi-,spherical hollowV .body =2l"provided vwith an -angularly disposed or .equatorial'-` wall isy aihoolr'sliapecl` xm`e1nber123 adapted. to

ber 23 in hooked engagement with the `pin 4 engaging the lugs 3. The lwall 22 has a the soeketmemberfo thereon-1 f vmemher A `with :the hook shaped inem` v central opening 24 and an annular 'groove and separated therefrom by an annular Wall provided with upstanding opposed projecions 26 Which Vare adapted to engage the the coupling member A and in the lgroove member A and'pressure brought tobear on 25 is a Washer or gasket 27 which lis `compressed by the collar 8 enteringthe groove 25 to insure a nonleakable connection between the coupling members A and B.

On the coupling member B, adjacent the body 21 is an eccentric enlargement 28 provided with a longitudinal groove 29 ltereceive a tongue 30 carried by the coupling member A, said tongue having a transversely disposed lug 31. Rotatable on the eccentric enlargement 28 is a clamping ring .32 having its inner Wall provided with an eccentric-or cam groove 33 to receive the lug 31 and said lug-'is adapted to enter the groove 33 through a notch or clearanceV opening 34 in the face of the clamping .ringv 32. With the opposite the groove 29 so that the clamping ring may receive the tongue 30 or befittd over said tongue. Then by rotating the clamping ring in either direction'the groove 30 to be Apressed,towards the Walls ofthe groove 29. 'With the hooked shaped meinber 23 in the socket member of the coupling the tongue 30 the coupling member A` is forcibly drawn towards the coupling memL berB, that is, the walls 6 and 22 are brought into proximity to each other Vvvith the col-V "lar v8 producing pressure on `the Washer .or

gland 27,l consequently the connection between the coupling members is packedand made non-leakable'against fluid oikliquidr pressure in the communicating hollow7 bodies 5y and y2l of the coupling'. I l

To facilitateadjusting the.' clampin-g rinv 32 the periphery thereofis castellated, ser-V rated or otherwise Toughened, as shown in Figs. 4 and 5.

' ring 32 may have a flared.` opening'to peri andquickly articulated and mity of it being largement-28Yofthe coupling member B.,

From the foregoingfit-*Will be observed thatthefcoupling members may be easily separated, veven With fluid vor liquidpress'nre in said .coupling members. With `these members .devoid of springsk and` parts 'that' 1 ing ring groove 33in eccentric relation to the periphery ofthe clamping ringV 32,y as best shown in Fig. 4,v the clampingV ring may be rotated to place the notch-34 member, n said having flat Walls Withy Vvided With an annular groove 'adapted to One end 'of the clamping easily placedi over the en!- just .as readily cannot become accidentally displaced Vthe longevity of the coupling is materially increased and a structure provided that may VVbe used in general for coupling purposes.

socket carrying coupling member, an eccen';y

a socketmember carried by one `ofsaid tricy enlargement lon` the hook carrying Vcoupling member 'adapted to receive ysaid tongue and hold said tongue whereby said coupling members are in adjoining 'come municating relation, and a rotatable clampon said eccentric Venlargement-V i and provided Wit-h a groove to receive a.V portion of said* tongue, said ring being rotatable in either direction to secure saidfcoupling members 'inl adjoining relation.

2. Means -for connecting coupling-inem# bers wherein apo'rtionof` one of said coupling members overlies the' fotherfcoupling members, anda notched and circumferen- 1 tially grooved clamping' ringfrotatable'` on 33 receives the'lug 31 and causes the tongue' said eccentric enlargement and adapted to clamp thefoverlying portion of the coupling ment. Y Y. ,Y y i Y V 3. A couplingv comprising separable mem-` bersvadapted to be'placed in adjoining comeV saidy coupling members'- oneof said Walls'promunicating relation,

receive a collar ofthe adjoining Wall with a gasketin the groove on which the collar may seat, -a 'plug carried by the collar carv rying coupling member, `a valve stem :slidable in said plug, 'a" disk Yvalv'ecarried by said stemy and adapted to seat in the'flat vvvallof theA collar iber, and means'carried by the adjacent flat carrying couplingV mem.-

9o..` vmeans comprisingV an eccenv tric` enlargement on one Vof saidV couplingV member relative kto'A the eccentric enlarge- Wall of the'fother coupling member` adapted..

to impinge against Vsaid disk valve and openA V,said valve When said coupling members are .1 K4.placed 11i adjoining relation.

. vIn testimony WhereofxI afixmy signature inA presence of two'l Witnesses.: HARRY B. ROBINSON.,

vWitnessesaf i M Anm E. MoRToN, MATT H.. MORTON! 

